11517423 has 8 divisors (see below), whose sum is σ = 15423408. Its totient is φ = 7644864.

The previous prime is 11517413. The next prime is 11517427. The reversal of 11517423 is 32471511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11517423 - 2⁵ = 11517391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11517393 and 11517402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11517427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7540 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (1927926).

Almost surely, 2^11517423 is an apocalyptic number.

11517423 is a deficient number, since it is larger than the sum of its proper divisors (3905985).

11517423 is a wasteful number, since it uses less digits than its factorization.

11517423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16713.

The product of its digits is 840, while the sum is 24.

The square root of 11517423 is about 3393.7329005094. The cubic root of 11517423 is about 225.8318050516.

Adding to 11517423 its reverse (32471511), we get a palindrome (43988934).

The spelling of 11517423 in words is "eleven million, five hundred seventeen thousand, four hundred twenty-three".